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Analog Devices / Maxim Integrated MAX30009 BioZ Bioimpedance Analog Front-End

Analog Devices MAX30009 BioZ Bioimpedance Analog Front-End offers high performance for fitness, wellness, and clinical applications, and ultra-low power for long battery life. The MAX30009 BioZ receive channel has Electrostatic Discharge (ESD) protection, Electromagnetic Interference (EMI) filtering, internal lead biasing, DC leads-off detection, DRVN lead-off detection, and ultra-low power lead-on detection during standby mode. The Analog Devices BioZ receive channel also has high input impedance, low noise, high Common-Mode Rejection Ratio (CMRR), programmable gain, various low-pass, and high-pass filter options, and two high-resolution analog-to-digital converters for simultaneous I and Q acquisition.

Features

  • Complete high-performance BioZ AFE
  • Simultaneous I and Q measurement capability
  • Four-electrode (tetrapolar) and two-electrode (bipolar) configurations
  • Ultra-low-power operation250µW at 1.8V AVDD
  • High-resolution, 20-Bit Sigma-Delta Analog-to-Digital Converters (ADCs)
  • Wide range of sample rates from 16sps to 4ksps
  • Flexible and programmable input/output MUX
  • Low-noise, high-resolution receive channel17 bits effective resolution with 1.1ΩVP-P noise
  • High input impedance > 1GΩ for extremely low common to differential-mode conversion
  • Programmable sine-wave stimulus
  • Low frequency, low current options for galvanic skin response (GSR)/electrodermal activity (EDA) starting from 16Hz and 16nARMS
  • Wide range of Bioelectrical Impedance Analysis/Spectroscopy (BIA/BIS) frequencies from 1kHz to 806kHz
  • High currents at high frequencies for impedance cardiography (ICG) applications (e.g.,1.28mARMS at 100kHz) with lockout for lower frequencies for conformance with 60601-1
  • High input AC dynamic range of >1000mVP-P
  • 4-pin in-situ calibration port (4-wire precision resistor) enables high-quality absolute impedance measurements
  • DC leads-off detect capability
  • Ultra-low-power lead-on detection with interrupt for system wake-up
  • Lead-on detect current 0.7µA (typ)

Block Diagram

Analog Devices / Maxim Integrated MAX30009 BioZ Bioimpedance Analog Front-End

Evaluation Kit

Analog Devices / Maxim Integrated MAX30009 Evaluation Kit

Used to evaluate the MAX30009 Analog Front End.

Learn Moreabout Analog Devices / Maxim Integrated MAX30009 Evaluation Kit View Productsrelated to Analog Devices / Maxim Integrated MAX30009 Evaluation Kit
Paskelbta: 2022-02-21 | Atnaujinta: 2023-04-14